globose -- Shaped like a ping pong ball, only smaller.

A peduncle is a common stalk of a cluster of flowers.

A perennial plant lives and blooms for many years.

banner -- In a pea flower the top petal is the banner petal.

pubescent -- downy; covered with short, soft, erect hairs.

calyx -- the sepals of a flower, typically forming a whorl that encloses the petals and forms a protective layer around a flower in bud.

fruit -- any seed-bearing structure in flowering plants. It is formed from the ovary after flowering.

pinnate -- A compound leaf with two rows of leaflets.

elliptic -- Oval, with no point or a very short point.

In a pea flower the two bottom petals are fused together forming a boat-like structure called the keel. The glumes of grasses may have a sharp projecting ridge like the keel of a boat.

recurved -- Curved backward.

A raceme is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along its axis.

campanulate -- bell shaped

glabrous -- smooth, glossy, having no bristles or hair-like structures. Bald.

leaflets -- Each little leaf-like thing in a compound leaf is a leaflet.

linear -- Long and very narrow like a blade of grass.